WO2005123563A1

WO2005123563A1 - Door device of elevator

Info

Publication number: WO2005123563A1
Application number: PCT/JP2004/009075
Authority: WO
Inventors: Masami Yoshikawa
Original assignee: Mitsubishi Denki Kabushiki Kaisha
Priority date: 2004-06-22
Filing date: 2004-06-22
Publication date: 2005-12-29
Also published as: BRPI0415930A; EP1775250A4; ES2375190T3; JPWO2005123563A1; US20080230323A1; PT1775250E; CA2541785A1; EP1775250A1; CN1964910A; EP1775250B1; US7644808B2

Abstract

A door device of an elevator, wherein an elevator door is formed to be reciprocatingly moved between a door closing position for closing the doorway of the elevator and a door opening position for opening the doorway of the elevator. The elevator door is driven by a door drive device. The door drive device is controlled by a door control device. The door control device controls the door opening position based on control information for controlling the operation of the elevator, obtains an opening/closing pattern for controlling the reciprocating motion of the elevator door between the controlled door opening position and the door closing position, and controls the door drive device so that the elevator door can be reciprocatingly moved according to the obtained opening/closing pattern.

Description

Elevator door equipment

Technical field

TECHNICAL FIELD The present invention relates to an elevator door device for opening and closing an entrance of an elevator.

Background art

Light

Conventionally, Japanese Unexamined Patent Publication No. 11-209430 discloses that when an abnormality in the running of a door is detected, the door is stopped once, and then the door is driven to a fully open or fully closed position with low torque.

An elevator door control is shown. The presence or absence of abnormalities in door travel is determined by a signal from a rotary encoder that detects the position and speed of the door. Therefore, if there is no abnormality in the running of the door, the door cannot be stopped between the fully closed position and the fully opened position.

For example, in large-scale office complex buildings, elevators equipped with large-capacity cars for transporting a large number of passengers at one time have been increasingly installed to handle peak times. . Such elevator systems are provided with wide entrances to enable a large number of passengers to get on and off.

However, even during normal times when a small number of passengers usually operate, the door opening and closing time is the same as during peak hours, despite the shorter time it takes for passengers to get on and off. Therefore, as a result, the operation efficiency of the elevator is reduced. Disclosure of the invention

The present invention has been made to solve the above-described problems, and has as its object to obtain an elevator door device that can improve the operation efficiency of an elevator.

An elevator door device according to the present invention is an elevator door capable of reciprocating between a door closed position for closing an elevator doorway and a door open position for opening the elevator doorway. A door driving device for driving the elevator door, and a door opening position that is adjusted based on control information for controlling the operation of the elevator, and an elevator door between the adjusted door opening position and the adjusted door closing position. A door control device is provided to determine the door opening / closing pattern and to control the door driving device so that the elevator door reciprocates according to the determined door opening / closing pattern. Brief Description of Drawings

FIG. 1 is a front view showing an elevator door device according to Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view taken along line Π-Π of FIG.

Fig. 3 is a sectional view taken along the line III-III in Fig. 2,

FIG. 4 is a front view showing the elevator door device when the elevator door of FIG. 1 is in a half-open position,

FIG. 5 is a sectional view taken along the line V-V in FIG.

FIG. 6 is a block diagram showing the main parts of the elevator door device of FIG. 3,

FIG. 7 is a graph showing a door opening / closing pattern of an elevator door created by the door control device of FIG. 6,

FIG. 8 is a block diagram showing a main part of an elevator door device according to Embodiment 2 of the present invention.

FIG. 9 is a block diagram showing a main part of an elevator door device according to Embodiment 3 of the present invention.

FIG. 10 is a block diagram showing a main part of an elevator door device according to a fourth embodiment of the present invention, and FIG. 11 is a block diagram showing a main part of an elevator door device according to a fifth embodiment of the present invention. FIG. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

Embodiment 1

FIG. 1 is a front view showing an elevator door device according to Embodiment 1 of the present invention. is there. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and FIG. 3 is a cross-sectional view taken along the line III-III of FIG. In the figure, a car 2 that can travel in the vertical direction is provided in a hoistway 1. The car 2 has a car body 4 provided with a car doorway 3 and a pair of car doors 5 mounted on the car body 4 to open and close the car doorway 3. Below each car door 5, a car sill 6 extending horizontally is arranged. The car threshold 6 is provided below the car entrance 3 (Fig. 2).

Above the car doorway 3, a door case 21 as a horizontally extending support member is arranged. The door case 21 is fixed to the car body 4. Each car door 5 is suspended from a door case 21. Further, each car door 5 can reciprocate along the door case 21 in the direction of the frontage of the car entrance 3.

A rotatable first pulley 22 is provided at one end of the door case 21. The other end of the door case 21 is provided with a second burry 23 and a transmission pulley 24 that can rotate coaxially. The second pulley 23 and the transmission pulley 24 are configured to rotate integrally with each other. An annular moving belt 25 is wound between the first and second pulleys 22 and 23. The upper part of each car door 5 is connected to the transfer belt 25 (Fig. 3).

A door driving device 26 for reciprocating each car door 5 is provided at the upper part of the car 2. The door driving device 26 has a motor 27 that generates a rotational driving force, and a driving pulley 28 that is rotated by the motor 27. An annular transmission belt 29 is wound between the driving pulley 28 and the transmission pulley 24. The rotational force of the drive bullion 28 is transmitted to the transmission pulley 24 and the second pulley 23 by the transmission belt 29. The movement belt 25 is moved by the rotation of the second pulley 23, whereby the car doors 5 are moved in opposite directions (FIG. 3).

Each floor is provided with a landing entrance 7 that connects the landing 51 with the inside of the hoistway 1. Each landing entrance 7 is provided with a pair of landing doors 8 for opening and closing the landing entrance 7. Below each landing door 8, a horizontally extending landing sill 9 is arranged. The landing sill 9 is provided below the landing entrance 7.

Each landing door 8 can be engaged with each car door 5 by an engaging device (not shown). The car door 5 and the landing door 8 are connected to the elevator It can be reciprocated as a single unit. When the car 2 is stopped at the landing floor, an elevator entrance 53 for communicating the inside of the car 2 with the landing 51 is constituted by the car entrance 3 and the landing entrance 7. The elevator door 52 is reciprocated between a door closing position for closing the elevator entrance 53 and a door opening position for opening the elevator entrance 53 by driving the door driving device 26.

A landing operation panel 10 is provided on the side wall of the landing entrance 7. The hall operation panel 10 has a call button for calling the car 2 and an operation switch for setting the door opening position of the elevator door 52 to the fully opened position where the elevator entrance 53 is fully opened. And a half open / close button 12 as an operation switch for setting the door open position of the elevator door 52 to a half open position located closer to the door closed position than the full open position.

On the inner wall surface of the car body 4, an in-car operation panel 13 is provided. The operation panel 13 in the car includes a plurality of destination floor buttons for designating a destination floor, an open / close button for opening / closing the elevator door 52, a full open / close button, and a half open / close button, which are operation switches similar to the above. An open / close button is provided (neither is shown).

A device (not shown) that generates a signal according to the magnitude of the heavy load in the car 2 is provided below the car 2. The weighing device is adapted to measure the weight of the floor in the car 2. Note that the weighing device may measure the magnitude of the tension of the main rope that suspends the car 2.

An elevator controller 33 (FIG. 6) for controlling the operation of the elevator is provided in the hoistway 1. Operation information 36 (FIG. 6) from the landing operation panel 10 and the in-car operation panel 13 and weight information 37 (FIG. 6) from the weighing device are input to the elevator control device 33 as control information. It has become so. The elevator control device 33 controls the operation of the elevator based on the control information.

The car 2 is equipped with a door control device 32 for controlling a door drive device 26. Control information is input to the door control device 32 from the elevator control device 33. The door control device 32 controls the door drive device 26 based on control information from the elevator control device 33.

Fig. 4 shows the elevator door when the elevator door 52 of Fig. 1 is in the half-open position. It is a front view which shows an apparatus. FIG. 5 is a sectional view taken along line VV in FIG. As shown in the figure, when the full open / close button 11 is selected, the door open position of the elevator door 52 is set to a fully open position where the elevator entrance 53 is fully opened, and the half open button 12 is opened. When selected, the door-open position of the elevator door 52 is set to a half-open position inside the fully vacant position. That is, when the fully open / close button 11 is selected, the elevator door 52 is reciprocated between the door closed position and the fully open position when the elevator door 53 is opened / closed, and is partially opened / closed. When the button 12 is selected, the elevator door 52 is reciprocated between the door closed position and the half-open position when opening and closing the elevator entrance 53.

FIG. 6 is a block diagram showing a main part of the elevator door device of FIG. FIG. 7 is a graph showing a door opening / closing pattern of the elevator door 52 created in the door control device 32 of FIG. In the figure, the door control device 32 is a control pattern for reciprocating the elevator door 52 based on the control information from the elevator control device 33, that is, the operation information 36 and the weight information 37. A certain door opening / closing pattern 35 is created. That is, when the full open / close button 11 of at least one of the landing operation panel 10 and the in-car operation panel 13 is selected, the door control device 32 opens the door open position of the elevator door 52 fully. The door opening / closing pattern 38 (full line in FIG. 7) of the full opening / closing operation for reciprocating the elevator door 52 so as to be positioned is created. In addition, the door control device 3 2 operates when the full open / close button 11 is not selected, that is, when the half open / close buttons 12 of the landing operation panel 10 and the in-car operation panel 13 are selected. Then, a door opening / closing pattern 39 (dashed line in FIG. 7) of a half opening / closing operation for reciprocating the elevator door 52 so that the door opening position of the elevator door 52 becomes the half opening position is created. .

Therefore, as shown in FIG. 7, the time required for the elevator door 52 to move between the door closed position and the door open position when the door driving device 26 is controlled in accordance with the door opening / closing pattern 39 of the semi-opening / closing operation. t 2 is shorter than the time t 1 required for the elevator door 52 to move between the door closed position and the door open position when the door drive device 26 is controlled according to the door opening / closing pattern 38 of the full opening / closing operation. Become.

In addition, the door control device 32 generates the door opening / closing pattern 39 of the half opening / closing operation. In addition, the half-open position is adjusted based on the weight information from the device. As a result, the half-open position is adjusted so as to approach the full-open position as the weight load in the car 2 increases, and to move away from the full-open position toward the frontage side as the weight load in the car 2 decreases.

The drive pulley 28 is provided with a rotary encoder 31 that is a detector that generates a signal (in this example, no,... Signal) according to the rotation of the drive pulley 28. The pulse signal from the rotary encoder 31 is input to the door control device 32.

The door control device 32 determines the position of the elevator door 52 based on the number of pulse signals generated, and determines the speed of the elevator door 52 based on the pulse signal generation speed. The door control device 32 also controls the position and speed 34 of the elevator door 52 obtained based on the information from the rotary encoder 31 and the door opening / closing created based on the control information from the elevator control device 33. The driving of the door driving device 26 is controlled so that the elevator door 52 is reciprocated along the door opening / closing pattern 35 while comparing the pattern with the pattern 35.

Next, the operation will be described. When at least one of the full open / close buttons 11 of the landing operation panel 10 and the in-car operation panel 13 is selected, a signal from the full open / close button 11 is transmitted to the door via the elevator control device 33. Input to the control device 32. As a result, the door control device 32 creates the door opening / closing pattern 38 of the full opening / closing operation. Further, the door control device 32 also obtains the position and speed 34 of the elevator door 52 based on information from the rotary encoder 31.

Thereafter, the door control device 32 compares the position and speed 34 of the elevator door 52 with the door opening / closing pattern 38 of the full opening / closing operation, and compares the door opening / closing pattern 38 of the elevator door 52 with the full opening / closing operation. The door driving device 26 is controlled so as to be reciprocated along. Thereby, the elevator door 52 is reciprocated between the door closed position and the fully open position with a speed change according to the door opening / closing pattern 38 of the fully opening / closing operation.

When the half open / close button 12 of each of the landing operation panel 10 and the in-car operation panel 13 is selected, the signal from the half open / close button 12 is transmitted to the door via the elevator controller 33. Input to the control device 32. As a result, the door control device 32 has a scale device Based on the information from, a door opening / closing pattern 39 of a semi-opening / closing operation corresponding to the magnitude of the heavy load in the car 2 is created. The door control device 32 also obtains the position and speed 34 of the elevator door 52 based on information from the rotary encoder 31.

Thereafter, the door control device 32 compares the position and speed 34 of the elevator door 52 with the door opening / closing pattern of the half-opening / closing operation, and compares the elevator door 52 with the door opening / closing pattern 39 of the half-opening / closing operation. The door driving device 26 is controlled so as to be reciprocated along. Thus, the elevator door 52 is reciprocated between the door closed position and the half open position with a speed change according to the door opening / closing pattern 39 of the half opening / closing operation.

In such an elevator door device, the door control device 32 obtains a door opening / closing pattern 35 in which the door opening position of the elevator door 52 is adjusted based on control information for controlling the operation of the elevator. The door drive device 26 is controlled so that the elevator doors 52 reciprocate with the speed change along the determined door opening / closing pattern 35. The control can be performed according to the operating condition of the elevator, and it is possible to prevent the width of the opening / closing operation of the elevator door 52 from becoming unnecessarily large. As a result, the opening / closing time of the elevator door 53 by the elevator door 52 can be reduced. Therefore, the operation efficiency of the elevator can be improved.

In addition, the door control device 32 generates a signal corresponding to the magnitude of the weight load in the car 2. Since the door opening / closing pattern is obtained based on the weight information from the device, the door control device 3 2 The degree of the opening / closing width of the elevator door 52 can be adjusted according to the magnitude of the heavy load in the car 2. As a result, the opening / closing width can be adjusted according to the number of passengers in the car 2, and when the number of passengers is small, the opening / closing time by the elevator door 52 can be reduced. Therefore, the operation efficiency of the elevator can be improved.

In addition, since the full open / close button 11 and the half open / close button 12 are provided in the car 2 and at the landing 51, the full open / close button 11 and the half open / close button 12 are selected to open fully. Either the position or the half-open position can be set as the door open position of the elevator door 52, for example, when carrying a wheelchair or large luggage, etc. If you want to fully open the elevator doorway 53 even if the load is small, you can fully open the elevator doorway 53 by selecting the full open / close button 1 2, because the elevator door 52 only opens to the half-open position. Inconvenience to passengers can be prevented.

In the above example, the full open / close button 11 and the half open / close button 12 are provided on both the landing operation panel 10 and the in-car operation panel 13, but the landing operation panel 10 and the inside of the car Only one of the operation panels 13 may be provided with the full open / close button 11 and the half open / close button 12. Embodiment 2

FIG. 8 is a block diagram showing a main part of an elevator door device according to Embodiment 2 of the present invention. In the above example, the elevator doors 52 are opened by operating the full open / close button 11 and the half open / close button 12 provided on the landing board 10 and the car operation panel 13 respectively. Although the position is selected to be either the fully open position or the half open position, the elevator door 52 is fully opened by remote control from the elevator operation control room that controls the operation of the elevator. The position may be selected to be either the position or the half-open position. In this case, remote information 40 which is a signal by remote operation is input to the door control device 32 as control information via the elevator control device 33.

By doing so, the door opening position of the elevator door 52 can be adjusted as part of the operation management of the entire elevator apparatus, and the operation efficiency of the elevator can be improved. Embodiment 3.

FIG. 9 is a block diagram showing a main part of an elevator door device according to Embodiment 3 of the present invention. In the first embodiment, the half-open position of the elevator door 52 is adjusted based on the weight information 37 from the weighing device. However, the stop from the stop floor detection sensor that detects the stop floor of the car 2 is performed. The half-open position of the elevator door 52 may be adjusted based on the floor information 41. In this embodiment, a door opening position corresponding to the number of passengers used on each floor is set in advance in the door control device 32 so as to correspond to each floor. In addition, stop floor information 41 from the stop floor detection sensor is input to the door control device 32 as control information via the elevator control device 33, and the door control device 32 corresponds to the stop floor of the car 2. A door opening / closing pattern 35 of the elevator door 52 between the open position and the closed position is created. Other configurations are the same as in the first embodiment.

In this way, for example, the opening / closing width of the elevator doors 52 on the reference floor with a relatively large number of passengers (usually the lobby level of the building) can be adjusted widely, and the elevator doors 5 on the floor with a relatively small number of passengers can be adjusted. The opening / closing width of (2) can be adjusted to be narrow, and the operating efficiency of the elevator can be improved. Embodiment 4.

FIG. 10 is a block diagram showing a main part of an elevator door device according to Embodiment 4 of the present invention. In the third embodiment, it is performed to adjust the half-open position of the elevator de § 5 2 on the basis of the stop floor information 4 1, the adjustment of the half-open position of the elevator door ₅ 2 on the basis of the time information 4 2 from the timer May go.

In this embodiment, the door control unit 3 2, door-open position according to the number of passengers available in multiple time zones are set in advance in correspondence to the respective time zones _(also door control device 3 2, the time information 42 from the timer is input as control information via the elevator control device 33, and the door control device 32 determines the door opening position and the door corresponding to the time zone including the time of the timer. A door opening / closing pattern 35 for the elevator door 52 between the closed position is created.The other configuration is the same as that of the third embodiment.

Even in this case, the width of opening and closing of the elevator doors 52 during the time period when the number of passengers is relatively large should be adjusted widely, and the opening and closing width of the elevator doors 52 during the time period when the number of passengers should be relatively small should be narrowed. And the operation efficiency of the elevator can be improved. Embodiment 5

FIG. 11 shows a main part of an elevator door device according to Embodiment 5 of the present invention. It is a block diagram. Abnormality information 43 from a door operation abnormality detection sensor for detecting an abnormality in the operation of the elevator door 52 is input to the elevator control device 33. Abnormality information 43 from the elevator control device 33 is input to the door control device 32 as control information.

The door control unit 32 adjusts the position of the elevator door 52 when the abnormality information 43 is input from the elevator control unit 33 as the door opening position of the elevator door 52, and creates a door opening / closing pattern 35. It is supposed to. The door control device 32 controls the door drive device 26 so that the elevator door 52 reciprocates between the door closed position and the door open position at a speed change along the door opening / closing pattern 35. It has become. That is, the elevator door 52 is reciprocated inside the frontage direction from the position where the abnormality of the operation of the elevator door 52 occurs. Other configurations are the same as in the first embodiment.

In this way, even if the elevator doorway 53 cannot be fully opened due to some abnormality, the elevator doorway 52 can be moved within the reciprocable range of the elevator door 52.

53 can be opened and closed, and the operation of the elevator can be continued without interruption until the maintenance worker arrives at the elevator device. Therefore, the operation efficiency of the elevator can be improved.

In each of the above embodiments, as the operation switches operated for controlling the operation of the elevator doors 52, only the full open / close button 11 and the half open / close button 12 are used only for the landing operation panel 10 and the in-car operation panel. (1) Although the elevator door 52 is stopped at the half-open position, an additional full-open button for moving the elevator door 52 from the half-open position to the full-open position is used as an operation switch. 0 and the operation panel 13 in the car.

Further, in each of the above embodiments, two types of control information are input to the door control device 32. However, by combining the control information in each of the above embodiments, three or more types of control information are output to the door control device 32. The information may be input to the control device 32.

Claims

The scope of the claims

1. An elevator door that can reciprocate between a door closed position that closes the elevator doorway and a door open position that opens the elevator doorway,

A door driving device for driving the elevator door, and

The door opening position is adjusted based on control information for controlling the operation of the elevator, and a door opening / closing pattern of the elevator door between the adjusted door opening position and the door closing position is obtained. A door control device that controls the door drive device so that the elevator door reciprocates according to the determined door opening / closing pattern.

A door device for an elevator, comprising:

2. Weight information from a weighing device that generates a signal according to the magnitude of the weight load in the car is input to the door control device as the control information. 2. The elevator door device according to 1.

3. An operation switch for adjusting the door opening position is provided in at least one of the car and the landing.

The elevator door device according to claim 1, wherein the door control device is configured to input operation information generated by operating the operation switch as the control information.

4. The door control device according to claim 1, wherein stop floor information from a stop floor detection sensor for detecting a stop floor of the car is input as the control information. An elevator door device according to any of the preceding claims.

5. The elevator door device according to claim 1, wherein time information from a timer is input to the door control device as the control information.

6. The above door control device has a remote control from the elevator operation control room. The information is input as the control information.

2. The elevator door device according to 1.

7. The door control device, wherein abnormality information from an abnormality detection sensor for detecting an abnormality in reciprocation of the elevator door is input as the control information. An elevator door device according to claim 1.